Dictionary.com
Thesaurus.com
Jump To:
  • Judas
    Judas
    noun
    the disciple who betrayed Jesus in the New Testament.
  • judas
    judas
    noun
    (sometimes capital) a peephole or a very small window in a door
Synonyms

Judas

American  
[joo-duhs] / ˈdʒu dəs /

noun

  • Judases
    plural
  1. Also called Judas Iscariot.  the disciple who betrayed Jesus in the New Testament.

  2. a person treacherous enough to betray a friend; traitor.

  3. Also called Saint Judas,.  Also called Saint Jude.  one of the 12 apostles of Jesus (not Judas Iscariot).

  4. (in the Bible) a brother of James (and possibly of Jesus).

  5. Also called judas hole.  Usually judas a peephole, as in an entrance door or the door of a prison cell.


adjective

  1. (of an animal) used as a decoy to lead other animals to slaughter.

    A Judas goat led sheep into the abattoir.

Judas 1 British  
/ ˈdʒuːdəs /

noun

  1. Full name: Judas IscariotNew Testament the apostle who betrayed Jesus to his enemies for 30 pieces of silver (Luke 22:3–6, 47–48)

  2. a person who betrays a friend; traitor

  3. a brother or relative of James and also of Jesus (Matthew 13:55). This figure, Thaddaeus, and Jude were probably identical

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adjective

  1. denoting an animal or bird used to lure others of its kind or lead them to slaughter

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
judas 2 British  
/ ˈdʒuːdəs /

noun

  1. Also called: judas window.   judas hole(sometimes capital) a peephole or a very small window in a door

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Derived Forms

Inflected Forms

Nouns

Etymology

Origin of judas

C19: after Judas Iscariot

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The isolated image of Judas bestowing a traitor’s kiss on Jesus is especially arresting.

From The Wall Street Journal Aug. 14, 2026

The cult star promised covers of metal staples like Black Sabbath, Iron Maiden and Judas Priest, as well as "a few originals forged in the same cosmic fire."

From Barron's Feb. 20, 2026

Judas Priest's rendition of the Black Sabbath classic was released on Friday with all profits donated to the Glenn Tipton Parkinson's Foundation and Cure Parkinson's.

From BBC Sep. 27, 2025

The casting was headline-making: Erivo, fresh off “Wicked,” as Jesus, and Adam Lambert as Judas.

From Los Angeles Times Aug. 25, 2025

“Mean as Judas, some ways, but oh, man, a funny boy, a real fast jockey. Dick liked him, too. We got on great.”

From "In Cold Blood" by Truman Capote

A quivering voice came at the last from behind the iron judas in the door.

From The Laughing Cavalier The Story of the Ancestor of the Scarlet Pimpernel by Emmuska Orczy, Baroness Orczy

It had penetrated his dull wits that he had been the tool of a judas, who sought to sell the castle for a thousand florins.

From Love-at-Arms by Rafael Sabatini

Then a slide would slyly uncover a little brass "judas," disclosing a little, black, hard eye.

From Mlle. Fouchette A Novel of French Life by Charles Theodore Murray

Anon a tiny judas in the gate was cautiously pushed open, and a peremptory voice once again challenged the midnight intruder.

From El Dorado, an adventure of the Scarlet Pimpernel by Emmuska Orczy, Baroness Orczy

There were stealthy steps within, with a movement of yellow light, and then a voice that Mr. Wogan knew very well came through a judas.

From Parson Kelly by Andrew Lang

Along the way, he encounters revolutionaries, tyrants, false prophets and actual Judases — not to mention a string of passionate lovers.

From New York Times Mar. 6, 2023

Several productions have featured female Judases — an added layer of psychological complexity.

From Washington Post Mar. 30, 2018

These were promptly denounced as turncoats and Judases by Peasant Leader Maniu but remained silent on their dignity.

From Time Magazine Archive

The hands of the Judases were stuck straight out on each side and from one hand to the other there was a string stretched.

From The Mexican Twins by Lucy Fitch Perkins

Honor the Judases, the Benedict Arnolds of the working class?

From The Red Conspiracy by Joseph J. Mereto

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training